Detailed Product Description Features: 1) Cylinder diameter: Φ207mm 2) Height: a) Pressure ring: 7.9cm b) Sprayed molybdenum ring: 7.85cm 3) Tangential grinder elasticity: a) Pressure ring: 6 - 8kgf b) Sprayed molybdenum ring: 5.3 - 7.5kgf